diff --git a/extensions/openpower-pels/user_data_formats.hpp b/extensions/openpower-pels/user_data_formats.hpp
index 53cb5ee..e890451 100644
--- a/extensions/openpower-pels/user_data_formats.hpp
+++ b/extensions/openpower-pels/user_data_formats.hpp
@@ -7,12 +7,17 @@
 
 enum class UserDataFormat
 {
-    json = 1
+    json = 1,
+    cbor = 2,
+    text = 3,
+    custom = 4
 };
 
 enum class UserDataFormatVersion
 {
-    json = 1
+    json = 1,
+    cbor = 1,
+    text = 1
 };
 
 } // namespace pels